Dietary olive leaf (Olea europea L.) extract alters some immune gene expression levels and disease resistance to Yersinia ruckeri infection in rainbow trout Oncorhynchus mykiss

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dc.authoridYilmaz, Sevdan/0000-0002-4809-5809
dc.contributor.authorBaba, Esin
dc.contributor.authorAcar, Umit
dc.contributor.authorYilmaz, Sevdan
dc.contributor.authorZemheri, Fahriye
dc.contributor.authorErgun, Sebahattin
dc.date.accessioned2025-01-27T21:02:01Z
dc.date.available2025-01-27T21:02:01Z
dc.date.issued2018
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThe aim for the present study was to investigate the effects of olive leaf (Olea europea L.) extract (OLE) on the control of Yersinia ruckeri infection in rainbow (Oncorhynchus mykiss) trout and to assess the impact on the expression of immune-related genes in the spleen and serum biochemical parameters of rainbow trout. Five experimental diets were prepared by adding 0.0%, 0.1%, 0.25%, 0.50% and 1.0% of OLE. Each diet was fed to triplicate groups of fish (mean body weight 51.22 +/- 3.04 g) twice a day (at 09:00 and 17:00 h) for 60 days. The dietary supplementation of OLE did not affect growth performance and feed utilization (P > 0.05). Major changes due to graded levels of OLE in the diets were observed in blood biochemical parameters (P < 0.05). TNF alpha, IL1-beta and IL-8 gene expressions were significanity up-regulated in OLE 0.1% group compared with others (P < 0.05). Also, diet supplemented with OLE reduced mortality in rainbow trout fed with OLE 0.1% added diet. Present study suggests that OLE especially at 0.1% added feed may effectivelly enhance the serum biochemical parameters, survival rate and immune gene expression in rainbow trout.
dc.description.sponsorshipCanakkale Onsekiz Mart University [FBA-2017-1275]
dc.description.sponsorshipAuthors would like to thank Dr. Yonca SURGUN ACAR and Suleyman BABA for the support they provided during trial phase. This study was conducted with the approval of the local ethics committee for animal experiments, Canakkale Onsekiz Mart University, Canakkale, Turkey (Approval Number:207/04-07). This work was supported by Canakkale Onsekiz Mart University Scientific Research Projects Coordination Unit. Project Number: FBA-2017-1275.
dc.identifier.doi10.1016/j.fsi.2018.04.063
dc.identifier.endpage33
dc.identifier.issn1050-4648
dc.identifier.issn1095-9947
dc.identifier.pmid29733961
dc.identifier.scopus2-s2.0-85046662725
dc.identifier.scopusqualityQ1
dc.identifier.startpage28
dc.identifier.urihttps://doi.org/10.1016/j.fsi.2018.04.063
dc.identifier.urihttps://hdl.handle.net/20.500.12428/27258
dc.identifier.volume79
dc.identifier.wosWOS:000436918100004
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherAcademic Press Ltd- Elsevier Science Ltd
dc.relation.ispartofFish & Shellfish Immunology
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectHerbal extract
dc.subjectGene expression
dc.subjectDisease resistance
dc.subjectRainbow trout
dc.subjectOlive lef extract
dc.titleDietary olive leaf (Olea europea L.) extract alters some immune gene expression levels and disease resistance to Yersinia ruckeri infection in rainbow trout Oncorhynchus mykiss
dc.typeArticle

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